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Finding the Fourth Proportional to 144,674.68, 217,152.30 and 69,847.60

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Solution

The fourth proportional to 144,674.68, 217,152.30 and 69,847.60 is: 104,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,674.68 : 217,152.30 = 69,847.60 : x
  2. Step 2: Convert to fraction form
    144,674.68/217,152.30 = 69,847.60/x
  3. Step 3: Cross multiply
    144,674.68x = 217,152.30 × 69,847.60
  4. Step 4: Simplify right side
    144,674.68x = 15,167,566,989.48
  5. Step 5: Solve for x
    x = 15,167,566,989.48/144,674.68
  6. Step 6: Final answer
    x = 104,839.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.